5285020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20327}}^1$

素因数の和:20349

約数の個数: 24

約数和(自身を含む): 11952864

約数和(自身を除く): 6667844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20327, 40654, 81308, 101635, 203270, 264251, 406540, 528502, 1057004, 1321255, 2642510, 5285020]

約数ペア:

[(1, 5285020), (2, 2642510), (4, 1321255), (5, 1057004), (10, 528502), (13, 406540), (20, 264251), (26, 203270), (52, 101635), (65, 81308), (130, 40654), (260, 20327)]